Vendor import of less v643.

Makefile.aut

@@ -42,8 +42,10 @@ DISTFILES = \
 	mkhelp.pl \
 	mkhelp.py \
 	mkutable $(UNICODE_FILES) \
+	$(shell ${MAKE} -s -f ${srcdir}/lesstest/Makefile echo_distfiles srcdir=${srcdir}/lesstest) \
 	${DISTFILES_W}
 
+
 all: help.c funcs.h $(UNICODE_FILES) ${srcdir}/configure 
 
 release: .FORCE
@@ -138,8 +140,8 @@ dist: ${DISTFILES}
 	rm -rf $$RELDIR && mkdir $$RELDIR && \
 	echo "Preparing $$LESSREL" && \
 	rm -rf $$LESSREL && mkdir $$LESSREL && \
-	cp ${DISTFILES} $$LESSREL && \
-	cd $$LESSREL && chmod -w * && chmod +w ${DISTFILES_W} && chmod +x configure && cd .. && \
+	for f in ${DISTFILES}; do mkdir -p $$(dirname $$LESSREL/$$f); cp $$f $$LESSREL/$$f; done && \
+	cd $$LESSREL && chmod -w * && chmod +w ${DISTFILES_W} lesstest && chmod +x configure && cd .. && \
 	echo "Creating $$RELDIR/$$TARF" && \
 	tar -cf - $$LESSREL | gzip -c >$$RELDIR/$$TARF && \
 	echo "Signing $$RELDIR/$$TARF" && \
@@ -156,7 +158,7 @@ tagall:
 gnu_upload:
 	@if [ -z "${REL}" ]; then echo "Please set REL=nnn"; exit 1; fi; \
 	LESSREL=less-${REL} && RELDIR=release/$$LESSREL && \
-    TARF=$$LESSREL.tar.gz && \
+	TARF=$$LESSREL.tar.gz && \
 	if [ ! -s $$RELDIR/$$TARF ]; then echo "$$RELDIR/$$TARF does not exist"; exit 1; fi; \
 	cd $$RELDIR && \
 	gpg -b $$TARF && \

NEWS

@@ -9,6 +9,44 @@
   Report bugs, suggestions or comments at 
   https://github.com/gwsw/less/issues.
 
+======================================================================
+
+	Major changes between "less" versions 633 and 643
+
+* Fix problem when a program piping into less reads from the tty,
+  like sudo asking for password (github #368).
+
+* Fix search modifier ^E after ^W.
+
+* Fix bug using negated (^N) search (github #374).
+
+* Fix bug setting colors with -D on Windows build (github #386).
+
+* Fix reading special chars like PageDown on Windows (github #378).
+
+* Fix mouse wheel scrolling on Windows (github #379).
+
+* Fix erroneous EOF when terminal window size changes (github #372).
+
+* Fix compile error with some definitions of ECHONL (github #395).
+
+* Fix crash on Windows when writing logfile (github #405).
+
+* Fix regression in exit code when stdin is /dev/null and 
+  output is a file (github #373).
+
+* Add lesstest test suite to production release (github #344).
+
+* Change lesstest output to conform with 
+  automake Simple Test Format (github #399).
+
+======================================================================
+
+	Major changes between "less" versions 632 and 633
+
+* Fix build on systems which have ncurses/termcap.h or 
+  ncursesw/termcap.h but not termcap.h.
+
 ======================================================================
 
 	Major changes between "less" versions 608 and 632

ch.c

@@ -406,6 +406,8 @@ public void sync_logfile(void)
 	BLOCKNUM block;
 	BLOCKNUM nblocks;
 
+	if (logfile < 0)
+		return;
 	nblocks = (ch_fpos + LBUFSIZE - 1) / LBUFSIZE;
 	for (block = 0;  block < nblocks;  block++)
 	{

command.c

@@ -179,7 +179,7 @@ static void mca_search1(void)
 	{
 		if (search_type & SRCH_SUBSEARCH(i))
 		{
-			char buf[8];
+			char buf[INT_STRLEN_BOUND(int)+8];
 			SNPRINTF1(buf, sizeof(buf), "Sub-%d ", i);
 			cmd_putstr(buf);
 		}
@@ -554,6 +554,7 @@ static int mca_search_char(int c)
 	case '*':
 		if (mca != A_FILTER)
 			flag = SRCH_PAST_EOF;
+		search_type &= ~SRCH_WRAP;
 		break;
 	case CONTROL('F'): /* FIRST file */
 	case '@':
@@ -565,7 +566,7 @@ static int mca_search_char(int c)
 			flag = SRCH_NO_MOVE;
 		break;
 	case CONTROL('S'): { /* SUBSEARCH */
-		char buf[32];
+		char buf[INT_STRLEN_BOUND(int)+24];
 		SNPRINTF1(buf, sizeof(buf), "Sub-pattern (1-%d):", NUM_SEARCH_COLORS);
 		clear_bot();
 		cmd_putstr(buf);